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Downloading and Installing
System Requirements
Before installing, make sure your computer meets the system requirements.
Downloading Shiretoko Alpha 1
Mozilla.org provides Shiretoko for Windows, Linux, and Mac OS X in a variety of languages.
* Windows: Shiretoko Alpha 1 Setup.exe
* Mac OS X: Shiretoko Alpha 1.dmg
* Linux: shiretoko-alpha1.tar.bz2
For builds for other systems and languages not provided by mozilla.org, see the Contributed Builds section at the end of this document.
Installing Shiretoko
Once you have downloaded Shiretoko, follow these instructions to install:
Windows
Double click the Shiretoko Alpha 1 Setup.exe installer to start the install.
Mac OS X
Double click the Shiretoko Alpha 1.dmg Disk Image to uncompress and mount it. Your browser may have already done this for you. Double click the Shiretoko Disk Image to open it in Finder and drag the Shiretoko application onto your hard disk. Do not double click the icon in the disk image! Be sure to drag the Shiretoko application out of the disk image and onto your Hard Disk before running it. Drag the icon to your Dock if you want it to appear there.
Linux/GTK2
Extract the shiretoko-alpha1.tar.bz2 tarball and run ./firefox:
tar -jxvf shiretoko-alpha1.tar.bz2
cd firefox
./firefox

Shiretoko Alpha 1 is an early developer milestone for the next version of Firefox that is being built on top of Mozilla's Gecko 1.9.1 layout engine, Shiretoko Alpha 1 is being made available for testing purposes only, and is intended for web application developers and our testing community. Current users of Mozilla Firefox should not use Shiretoko Alpha 1.

Firefox 3.1 is becoming Firefox 3.5!
Minefield icon
Welcome! You've just downloaded or updated to Shiretoko. Recently, we re-versioned the forthcoming Firefox 3.1 to become Firefox 3.5. This is the first pre-release version using that version number. Specifically, Firefox 3.5b4pre.